square-integrable function

例句：

1. 1. The square-integrable function is a type of function that can be integrated over a closed interval.
   可积函数是一种可以在闭区间上积分的函数类型。
2. 2. In mathematics, the square-integrable function is a fundamental concept in the study of functions.
   在数学中，可积函数是研究函数的基本概念。
3. 3.The square-integrable function is used to solve problems related to integration and differentiation.
   可积函数用于解决与积分和微分相关的问题。